Malicious PDF — malware analysis report

Static analysis result for SHA-256 6ea6d5dd50c5b38e…

MALICIOUS

PDF

77.5 KB Created: 2021-03-25 00:37:44 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 1462669696e4891adffdbbe1d2ff6184 SHA-1: dd6b27858e4292a530c504806aee3d965af8e5bf SHA-256: 6ea6d5dd50c5b38e3aa5dd82daf970adb01b29061911f0d7c1ee925e6b7c1300
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file is detected as malicious by ClamAV and an ML classifier, and contains embedded URLs pointing to potentially malicious domains. The document body, though heavily obfuscated, suggests a lure related to game downloads. The presence of embedded URLs and the nature of the detection indicate an attempt to redirect the user to a site for phishing or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://mezovuduw.ru/wix?keyword=pes+2012+apk+1.0.5+download
    • http://saveyoutubebot.com/how_to_be_an_officer_in_the_coast_guardmiwzy.pdf
    • https://cdn.sqhk.co/xubafofin/ogdjghh/jukigebasiruwomed.pdf
    • https://cdn.sqhk.co/kezixowog/z9jdNij/idle_landmark_tycoon_unlimited_money.pdf
    • https://cdn.sqhk.co/mixaluwekitu/Sggvnhh/pictures_hope_you_feel_better.pdf
    • https://cdn.sqhk.co/gijesali/jrgfWeB/las_vegas_soccer_tournaments_november_2019.pdf
    • https://cdn.sqhk.co/dabozijide/0N0jhhf/high_school_escape_mod_apk.pdf
    • http://smartcreditcheck.info/best_machine_learning_course_on_coursera_quorafr81m.pdf
    • https://cdn.sqhk.co/pixorikibam/jehCYU4/ab_repeat_player_apk.pdf
    • http://copyright-help-report.com/tekla_structures_tutorialsfrbec.pdf
    • https://cdn.sqhk.co/metumolalub/qjfhehg/best_buy_customer_service_phone_number_canada.pdf
    • http://cashbackk.site/hbse_open_12th_date_sheetf5ros.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/dd9099b6-a7f0-4114-bebd-e5ff12f9a048/semi_log_graph_paper_for_sieve_analysis.pdf
    • http://duxejuxaxeze.epizy.com/29253420231.pdf
    • https://uploads.strikinglycdn.com/files/dd55a4d5-3073-44a7-b6da-fcab04179f0f/60934141724.pdf
    • https://uploads.strikinglycdn.com/files/a8af4710-fa2a-417b-afa9-7435b3b6eb0f/robins_egg_blue_ar-15_parts_kit.pdf
    • http://ramawotinejog.epizy.com/cantina_band_sheet_music_clarinet.pdf
    • http://dararexirebugus.epizy.com/checking_internet_connection_in_android_code.pdf
    • https://uploads.strikinglycdn.com/files/bb0f7fbb-fb3f-484c-a6fd-9442b170b7a8/nubejudogusatugajile.pdf
    • https://uploads.strikinglycdn.com/files/28514a8d-18b3-4e1c-8f0a-ba2c41528b28/10248442748.pdf
    • http://buwotozan.epizy.com/polk_audio_hts_12_review.pdf
    • https://uploads.strikinglycdn.com/files/f1dba059-20b9-444e-867f-a423fc1a62d5/vampire_diaries_fanfiction_damon_and_stefan_brotherly_moments.pdf
    • https://uploads.strikinglycdn.com/files/0f4a70b1-9a35-4324-8702-742f4015801b/music_video_proposal_sample.pdf
    • http://femejedad.epizy.com/78837220006.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f08a.bin
95a675ed63c92bc022614d168d8cfa8335abb833a181823ca17e62ed1bb7a8ac		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF08A 5496 bytes
font_01_sfnt_off00010387.bin
ea70612fa11b8b3c61b1553bd49337653f86771fabc336be8bdc4a7c7270b47b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10387 10968 bytes

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